[ekohl] 73420: [SERVICES] - Code cleanup. - ScmCreateOrReferenceServiceImage() and ScmDereferenceServiceImage(): Close the logon token and service process handles properly. - ScmStartUserModeServic...

Author: ekohl
Date: Sat Dec  3 14:33:07 2016
New Revision: 73420

URL: http://svn.reactos.org/svn/reactos?rev=73420&view=rev
Log:
[SERVICES]
- Code cleanup.
- ScmCreateOrReferenceServiceImage() and ScmDereferenceServiceImage(): Close the logon
token and service process handles properly.
- ScmStartUserModeService(): Store the service process handle in the SERVICE_IMAGE
struct.
Patch by Hermès BÉLUSCA - MAÏTO.

Modified:
    trunk/reactos/base/system/services/database.c

Modified: trunk/reactos/base/system/services/database.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/services/datab…
==============================================================================
--- trunk/reactos/base/system/services/database.c	[iso-8859-1] (original)
+++ trunk/reactos/base/system/services/database.c	[iso-8859-1] Sat Dec  3 14:33:07 2016
@@ -153,8 +153,8 @@
 static
 BOOL
 ScmIsSameServiceAccount(
-    IN PWSTR pszAccountName1,
-    IN PWSTR pszAccountName2)
+    _In_ PCWSTR pszAccountName1,
+    _In_ PCWSTR pszAccountName2)
 {
     if (pszAccountName1 == NULL && pszAccountName2 == NULL)
         return TRUE;
@@ -175,7 +175,7 @@
 static
 BOOL
 ScmIsLocalSystemAccount(
-    IN PWSTR pszAccountName)
+    _In_ PCWSTR pszAccountName)
 {
     if (pszAccountName == NULL ||
         wcscmp(pszAccountName, L"LocalSystem") == 0)
@@ -306,6 +306,7 @@
 
         pServiceImage->dwImageRunCount = 1;
         pServiceImage->hControlPipe = INVALID_HANDLE_VALUE;
+        pServiceImage->hProcess = INVALID_HANDLE_VALUE;
 
         pString = (PWSTR)((INT_PTR)pServiceImage + sizeof(SERVICE_IMAGE));
 
@@ -329,6 +330,10 @@
         if (dwError != ERROR_SUCCESS)
         {
             DPRINT1("ScmLogonService() failed (Error %lu)\n", dwError);
+
+            /* Release the service image */
+            HeapFree(GetProcessHeap(), 0, pServiceImage);
+
             goto done;
         }
 
@@ -336,7 +341,15 @@
         dwError = ScmCreateNewControlPipe(pServiceImage);
         if (dwError != ERROR_SUCCESS)
         {
+            DPRINT1("ScmCreateNewControlPipe() failed (Error %lu)\n",
dwError);
+
+            /* Close the logon token */
+            if (pServiceImage->hToken != NULL)
+                CloseHandle(pServiceImage->hToken);
+
+            /* Release the service image */
             HeapFree(GetProcessHeap(), 0, pServiceImage);
+
             goto done;
         }
 
@@ -395,13 +408,17 @@
         /* Remove the service image from the list */
         RemoveEntryList(&pServiceImage->ImageListEntry);
 
+        /* Close the process handle */
+        if (pServiceImage->hProcess != INVALID_HANDLE_VALUE)
+            CloseHandle(pServiceImage->hProcess);
+
+        /* Close the control pipe */
+        if (pServiceImage->hControlPipe != INVALID_HANDLE_VALUE)
+            CloseHandle(pServiceImage->hControlPipe);
+
         /* Close the logon token */
         if (pServiceImage->hToken != NULL)
             CloseHandle(pServiceImage->hToken);
-
-        /* Close the control pipe */
-        if (pServiceImage->hControlPipe != INVALID_HANDLE_VALUE)
-            CloseHandle(pServiceImage->hControlPipe);
 
         /* Release the service image */
         HeapFree(GetProcessHeap(), 0, pServiceImage);
@@ -1706,30 +1723,25 @@
            ProcessInformation.dwThreadId,
            ProcessInformation.hThread);
 
-    /* Get process handle and id */
+    /* Get the process handle and ID */
+    Service->lpImage->hProcess = ProcessInformation.hProcess;
     Service->lpImage->dwProcessId = ProcessInformation.dwProcessId;
 
-    /* Resume Thread */
+    /* Resume the main thread and close its handle */
     ResumeThread(ProcessInformation.hThread);
+    CloseHandle(ProcessInformation.hThread);
 
     /* Connect control pipe */
     dwError = ScmWaitForServiceConnect(Service);
-    if (dwError == ERROR_SUCCESS)
-    {
-        /* Send start command */
-        dwError = ScmSendStartCommand(Service, argc, argv);
-    }
-    else
+    if (dwError != ERROR_SUCCESS)
     {
         DPRINT1("Connecting control pipe failed! (Error %lu)\n", dwError);
         Service->lpImage->dwProcessId = 0;
-    }
-
-    /* Close thread and process handle */
-    CloseHandle(ProcessInformation.hThread);
-    CloseHandle(ProcessInformation.hProcess);
-
-    return dwError;
+        return dwError;
+    }
+
+    /* Send the start command */
+    return ScmSendStartCommand(Service, argc, argv);
 }